251557B

126 MHz SAW Filter
Part Number 251557B
1. Features

Typical 1dB bandwidth of 14.5 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
Minimum
Typical
Maximum
MHz
-
126.0
-
dB
-
8.5
11.0
1dB Bandwidth
MHz
14.0
14.5
-
3dB Bandwidth
MHz
-
15.54
-
40dB Bandwidth
MHz
-
19.5
20.0
dB
-
0.25
1.0
Group Delay Variation (fo ± 3.5 MHz)
nsec
-
20
30
Group Delay Variation (fo ± 6.1 MHz)
nsec
-
25
40
Group Delay Variation (fo ± 7.0 MHz)
nsec
-
50
60
Absolute Delay
usec
-
0.88
-
dB
40
45
-
ppm/℃
-
-86
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 6.1 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
12
8
7.62±0.1
7
ITF 13A001
251557B
. 126-14.5M
1
2
3
4
7
9
8
11
I nput
50Ω
10
L1
1.50±0.1
5
5
5
Out put
50Ω
11
6
6
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
Matching Schematic
L2
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 27nH, L2 = 22nH
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
Input
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 11. 20
Rev 2.0
126 MHz SAW Filter
Part Number 251557B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & 3dB Bandwidth
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
20 Nov 2013 16:29:34
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -8.2 dB
REF -8.2 dB
BW:
CH1
S21
LOG
10 dB/
20 Nov 2013 16:29:08
1: 0. 0000 dB
0. 000 000 MHz
REF -8.2 dB
CH2 Markers
REF=1
14 . 405957 MHz
cent : 126 . 039894
MHz
Q: 8. 7491
CH1 Markers
REF=1
19 . 173565 MHz
BW:
1
Cor
cent : 126 . 169045
2
MHz
Q: 6. 5804
1_loss : -8 . 3170 dB
1
1_loss : -8 . 3029 dB
2
3
4
1
2
Cor
BW:
CH4 Markers
REF=1
15 . 544187 MHz
cent : 126 . 072708
3
4
MHz
Q: 8. 1106
Cor
1_loss : -8 . 3170 dB
3
4
CENTER 126 . 000 000 MHz
SPAN
19 . 000 000 MHz
2
4
CENTER 126 . 000 000 MHz
Ripple & Group Delay(Fo ± 3.5 MHz)
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
REF -8.2 dB
REF 922 ns
SPAN
60 . 000 000 MHz
Ripple & Group Delay(Fo ± 6.1 MHz)
20 Nov 2013 16:30:20
3: - . 13470 dB
7. 000 000 MHz
3: -7 . 9632 ns
7. 000 000 MHz
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
20 Nov 2013 16:31:04
3: . 00390 dB
12 . 200 000 MHz
3: -9 . 7469 ns
12 . 200 000 MHz
REF -8.2 dB
REF 915 ns
CH2 Markers
REF=2
mean : -8 . 3572 dB
CH2 Markers
REF=2
mean : -8 . 3641 dB
s. dev : . 04440
dB
s. dev : . 04240
dB
p-p : . 21610
dB
p-p : . 21170
dB
3
3
2
2
3
3
2
2
Cor
CH4 Markers
REF=24
mean : 884 . 60 ns
Cor
CH4 Markers4
REF=2
mean : 881 . 84 ns
Smo
s. dev : 4. 7753 ns
Smo
s. dev : 5. 8296 ns
p-p : 20 . 037 ns
Cor
p-p : 28 . 189 ns
Cor
CENTER 126 . 000 000 MHz
SPAN
19 . 000 000 MHz
2
CENTER 126 . 000 000 MHz
Ripple & Group Delay(Fo ± 7.0 MHz)
CH2
CH4
S21
S21
LOG
DEL
1 dB/
50 ns/
REF -8.2 dB
REF 894 ns
SPAN
19 . 000 000 MHz
2
Wide band Properties
20 Nov 2013 16:31:32
3: - . 07460 dB
14 . 000 000 MHz
3: -45 . 523 ns
14 . 000 000 MHz
CH1
S21
LOG
dB
p-p : . 64800
dB
20 Nov 2013 16:32:56
1: 0. 0000 dB
0. 000 000 MHz
REF -8.2 dB
1
CH2 Markers
REF=2
mean : -8 . 3909 dB
s. dev : . 09490
10 dB/
CH1 Markers
REF=1
2: -35 . 456 dB
126 . 000 MHz
3: -36 . 228 dB
252 . 000 MHz
4: -70 . 463 dB
378 . 000 MHz
3
2
2
2
3
3
4
Cor
CH4 Markers
REF=2
mean : 880 . 22 ns
Smo
s. dev : 8. 4385 ns
p-p : 48 . 989 ns
Cor
4
CENTER 126 . 000 000 MHz
SPAN
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
19 . 000 000 MHz
2
Tel: 82-32-621-1213
Fax: 82-32-621-1218
START
. 010 000 MHz
http://www.itf.co.kr
STOP 600 . 000 000 MHz
[email protected]
2013. 11. 20
Rev 2.0
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